森林可燃物管理研究进展

编号 lyqk002864

中文标题 森林可燃物管理研究进展

作者 肖化顺  曾思齐  谢绍锋  刘发林 

作者单位 中南林业科技大学测绘科学与技术学院 长沙 410004;中南林业科技大学测绘科学与技术学院 长沙 410004;中南林业科技大学测绘科学与技术学院 长沙 410004;中南林业科技大学测绘科学与技术学院 长沙 410004

期刊名称 世界林业研究 

年份 2009 

卷号 22

期号 1

栏目编号 1

栏目名称 专题论述 

中文摘要 立地条件、天气和可燃物决定了森林火灾的强度与烈度,三大因素中,只有对可燃物能进行有效的经营管理。研究表明:1)过去60～100年,由于森林结构和组成的改变,可燃物载量增加,易发生高强度的森林火灾。2)林火模型、实践经验以及现场观察表明,在特定的天气条件下,林火行为受可燃物结构与组成的影响很大。3)减少重特大森林火灾的发生就必须降低地表可燃物的数量、密度、连续性,移除过度可燃物,或改造植被,降低森林植被的燃烧性等。4)可燃物处理有效期评估涉及林火蔓延、林火强度、烈度、火场规模和扑火能力的研究,景观尺度手段优于林分尺度。

关键词 森林可燃物  林火行为  森林结构  植被改造 

基金项目 国家林业局科技项目长江流域退化天然林改造技术研究(069320)

英文标题 Progress in Research on Forest Fuels Management

作者英文名 Xiao Huashun,Zeng Siqi,Xie Shaofeng and Liu Falin

单位英文名 College of Surveying and Mapping,Central South University of Forestry &Technology,Changsha 410004,China;College of Surveying and Mapping,Central South University of Forestry &Technology,Changsha 410004,China;College of Surveying and Mapping,Central South University of Forestry &Technology,Changsha 410004,China;College of Surveying and Mapping,Central South University of Forestry &Technology,Changsha 410004,China

英文摘要 Site condition,weather and fuels are the three factors to determine fire intensity and severity.Of which,only fuels(vegetation) can be efficiently controlled.It is found in the study that:(1) Changes in forest structure and composition over the past 60 to 100 years increased fuel loads and made forests more susceptible to highly intense and severe fires;(2) Models,field observations and experiments indicated that fire behavior could be strongly influenced by fuel structure and composition in specific weather conditions;(3) In order to reduce the occurrence of highly severe fires,some actions must be taken:decrease the amount,density and continuity of surface fuels,remove ladder fuels and modify forest species structure to reduce forest fuels combustibility;and(4) Evaluation of fuel validity treatment involves the research of forest fire spread,intensity,severity,size and suppression capability,and the landscape means is better than the stand means.

英文关键词 forest fuel;fire behavior;forest structure;forest modification

起始页码 48

截止页码 53

投稿时间 2008/4/9

分类号 S762

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